OpenTechnical

OT-2026-000075545

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000075545) never changes.

Identity and time

Publication numberOT-2026-000075545 · never reused
Internal UUID01a0ae94-29fc-7d7d-9f93-58130dd9dd15 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075545
StatusPUBLIC

Content hashes

Canonical texta7e82d9a5619a94a342413dfbeaf75b0736de1bb3db5a9351d35e38b30219b80
Markdown6a00d42b065037f713e56acf8245c7914ce3d5eaa8aeaa2a338175e86d1f3981
PDF
Publication page004475241ff123e40a82bb38a37d333a42e1630d53bdfec8c234fe049c47fe52
Manifest9f998ee5b37e2bf5c44b9cbfd1422f5563c824d587435e96440a068c1382a884

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature8QKUQVrjZhGrs2YNkvBmCG4pV74Gp1WyD3AlCMWBs4PBMB94GhY687KR9bLm/TB+C/cbhxpnx12WOEl/vdTaAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:13:03.468097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075545
observed 004475241ff123e40a82bb38a37d333a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:03.447894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075545/manifest.json
observed 9f998ee5b37e2bf5c44b9cbfd1422f55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:03.305453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075545/publication.md
observed 6a00d42b065037f713e56acf8245c791...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:03.286054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075545/publication.txt
observed a7e82d9a5619a94a342413dfbeaf75b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.